android: String value match another String value using operand == not working?

Question

Hopefully this is an easy fix, but for the moment is is boggling me (Actionscript programmer new to Java programming).

I have a string variable coming from getExtra

Answer 1

"vuqar"=="vuqar" or "vuqar"!="vuqar" not works correct

You have to use

if(vuqar.equals("vuqar")){//action}

OR

if(!"vuqar".equals("vuqar")){//action}

Answer 2

You must not compare strings via ==, but via .equals()

Answer 3

Use the equals method instead of ==

Answer 4

You should use equals for Strings on Java.

2 tips:

• Add the string you know it isn't null to avoid nullpointers. Ex: "compare".equals(string)
• Use equalsIgnoreCase() instead of equals if you wish to compare strings and ignore the case differences.

Answer 5

Strings are Objects, and to do correct Object equality comparisions, you need to use

dir.equals("content");

or better yet (to avoid possible null pointer exceptions)

"content".equals(dir);